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SAT Chemistry Practice Test 123

Compounds of Environmental Concern Quiz PDF: Questions and Answers - 123

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Compounds of Environmental Concern Questions and Answers PDF Download: Quiz 123

MCQ 611: The main source of air pollution is

  1. Oxides of Sulphur
  2. Oxides of Carbon
  3. Oxides of Nitrogen
  4. All of above

MCQ 612: The decomposition of water into oxygen and hydrogen is an

  1. Exothermic reaction
  2. Endothermic reaction
  3. Slow reaction
  4. Fast reaction

MCQ 613: The pH of acid rain is

  1. 4.5
  2. 5.5
  3. 6.5
  4. 7.5

MCQ 614: The concept of entropy was introduced by

  1. Kelvin
  2. Rudolph Clausius
  3. Robert Brown
  4. Neil Bohr

MCQ 615: Eleven elements made part of earth mass

  1. 97.50%
  2. 98.50%
  3. 99.50%
  4. 100%

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Compounds of Environmental Concern App (Android & iOS)

Compounds of Environmental Concern App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

A level Chemistry App (iOS & Android)